Selective dissemination of information (SDI) : analysis of experimental and operational SDI services, 1967 /
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| Format: | Book |
| Language: | English |
| Published: |
Arlington, Va. :
Office of Aerospace Research, United States Air Force,
1969.
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| Item Description: | On cover: U.S. Department of Commerce/National Bureau of Standards. Reproduced by Clearinghouse for Federal Scientific & Technical Information, Springfield, Va. |
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| Physical Description: | 67 p. : charts, forms ; 28 cm. |